Update to Pylint 1.9.4 and corrections

certbot/tests/display/completer_test.py

@@ -1,9 +1,9 @@
 """Test certbot.display.completer."""
 import os
 try:
-    import readline # pylint: disable=import-error
+    import readline  # pylint: disable=import-error
 except ImportError:
-    import certbot.display.dummy_readline as readline # type: ignore
+    import certbot.display.dummy_readline as readline  # type: ignore
 import string
 import sys
 import unittest
@@ -12,7 +12,8 @@ import mock
 from six.moves import reload_module  # pylint: disable=import-error
 
 from acme.magic_typing import List  # pylint: disable=unused-import, no-name-in-module
-import certbot.tests.util as test_util
+import certbot.tests.util as test_util  # pylint: disable=ungrouped-imports
+
 
 class CompleterTest(test_util.TempDirTestCase):
     """Test certbot.display.completer.Completer."""
@@ -100,5 +101,6 @@ def enable_tab_completion(unused_command):
     command = 'bind ^I rl_complete' if libedit else 'tab: complete'
     readline.parse_and_bind(command)
 
+
 if __name__ == "__main__":
     unittest.main()  # pragma: no cover

certbot/tests/display/util_test.py

@@ -312,7 +312,7 @@ class FileOutputDisplayTest(unittest.TestCase):
     def test_methods_take_force_interactive(self):
         # Every IDisplay method implemented by FileDisplay must take
         # force_interactive to prevent workflow regressions.
-        for name in interfaces.IDisplay.names():  # pylint: disable=no-member
+        for name in interfaces.IDisplay.names():  # pylint: disable=no-member,no-value-for-parameter
             if six.PY2:
                 getargspec = inspect.getargspec # pylint: disable=no-member
             else: